Finding the Fourth Proportional to 9,807.57, 14,713.38 and 3,964.64

Step by Step Solution

1. Step 1: Write the proportion equation
   9,807.57 : 14,713.38 = 3,964.64 : x
2. Step 2: Convert to fraction form
   9,807.57/14,713.38 = 3,964.64/x
3. Step 3: Cross multiply
   9,807.57x = 14,713.38 × 3,964.64
4. Step 4: Simplify right side
   9,807.57x = 58,333,181.32
5. Step 5: Solve for x
   x = 58,333,181.32/9,807.57
6. Step 6: Final answer
   x = 5,947.77